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Financing Receivables and Operating Leases (Schedule of Contractual Maturities of Gross Lease Receivables) (Details)
$ in Millions
Apr. 28, 2018
USD ($)
Receivables [Abstract]  
2018 (remaining three months) $ 324
2019 1,158
2020 673
2021 348
2022 134
Thereafter 23
Total $ 2,660